FR 4584 then LA 5760 at Barcelona
Porto → Barcelona → Hondarribia
Timetable, Barcelona time
18:35FR 4584 from Porto at the gate
12:20LA 5760 to Hondarribia leaves the gate
17 h 45 apart on the timetable, overnight
LA 5760 leaves 17 h 45 after FR 4584 arrives on the timetable: more than half a day, so not a connection we count.